Just thought i would let you guys know that the cylinder kit i ordered arrived this morning heres some photos

I have to say im impressed with the Quality just hope it lasts lol

Project Update!!

Soo i have had to Design a HeadSet Spacer for my new forks to fit, as the new taper bearing for the old forks dosnt fit the steering shaft on my new forks so i have designed this using Onshape, I have Ordered some Alliminium Tube which is 56mmOD 32mmID 12mmWall 200mm in lenth for £15 next thing todo is 3Dprint a Prototype then test fit then get my freind's Lathe going and make one out of the Alliminium

Project Update

My forks arrived today

Please welcome my WR426F forks
They are in decent nick for £150 they have Adjustable Compression Hardness on the bottom and Adjustable Dampening on the top, Bearings seam to be a perfect fit all i got todo is but a spacer under the bottom of the bottom taper bearing

Sorry for bad photos

Well i have had some Post Today

Swingarm bearings and bushes and seals aka service kit

Linkage bearings and bushes and seals aka service kit

Head race Taper bearings top and bottom

well im very happy to say that i have now finished putting my engine back togeather im just wating on a few bits from ethena to finish puting my cylinder head on but the rest is done Heres some photos

So upto now i have replaced with new

Stainless bolts
All Koyo bearings
all Athena Oil seals
All Athena Gaskets
New Athena topend

now i have all the rest of the bike to sort out,let me know what you guys think

Update So i have started to rebuild my Yamaha DTR 125 Engine today

New Bearings Fitted Replaced all of them!
New Athena Oil Seals Fitted!
New Stainless steel allan bolts!
Gear Box Back in one piece

Tomorrow i will be doing the Clutch and Balance shaft and all the gears that connect the Balance shaft and crank shaft together. i will also be putting my new athena barrel on then when the missing spacer washers arrive il put the head on.

Heres some photos of todays progress in order

Didnt need the manual much as this will be the 10th time of rebuilding these engines Super happy that im getting closer to my DTR Dream!!

Welcome to the club!

@theportingmaster said in 2003 Yamaha Dt125R Project:

K38 slow jet

cheers buddy, il be getting a limited edition stainless steel and silencer exhaust from portugal in the next few months, will upload photos when its arrived!

heres some photos all shiney and new

well guys for chrismas i got a PKW 32 keihin carb off my old man Looks mint he said its good for a 125cc upto a tuned 200cc will upload photos later on.

@theportingmaster said in 2003 Yamaha Dt125R Project:

K38 slow jet

cheers buddy, il be getting a limited edition stainless steel and silencer exhaust from portugal in the next few months, will upload photos when its arrived!

@jonne123 there,s a few topics on this site already buddy try reading through them, this is for posting about my progress on my project

https://dt125r.co.uk/topic/790/recommended-reeds

@theportingmaster cheersa for your post mate ill have to stick with the PWK32 or now as it was a crimbo prezzie, what jet size did you use on the pwk on the 2003 dt? would be good to know. cheers buddy!

hello and welcome

heres some photos all shiney and new

well guys for chrismas i got a PKW 32 keihin carb off my old man Looks mint he said its good for a 125cc upto a tuned 200cc will upload photos later on.

yeah happy christmas @Calum Hope you have a good one and thanks for all the help and info this year! Merry Christmas and a happy new year!!

@dtre94

hiya buddy sorry to hear about your problems, where abouts are you in the world? i work in a garage in the northwest and i could fix this for you if you nearby... let me know

Id also go with the head gasket, happened many times with me until i skimmed my head with a glass mirror and wet n dry sand paper

@Darty cheers, il have to edit it to fit my carb "When i get it"